Finding the Third Proportional to 1,661,690 and 3,614,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,661,690 : 3,614,980 = 3,614,980 : x
2. Step 2: Convert to fraction form
   1,661,690/3,614,980 = 3,614,980/x
3. Step 3: Cross multiply
   1,661,690x = 3,614,980 × 3,614,980
4. Step 4: Simplify right side
   1,661,690x = 13,068,080,400,400
5. Step 5: Solve for x
   x = 13,068,080,400,400/1,661,690
6. Step 6: Final answer
   x = 7,864,331.13